19642359

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{971}}^1$

素因数の和:1598

約数の個数: 16

約数和(自身を含む): 28646784

約数和(自身を除く): 9004425

約数列:

[1, 3, 11, 33, 613, 971, 1839, 2913, 6743, 10681, 20229, 32043, 595223, 1785669, 6547453, 19642359]

約数ペア:

[(1, 19642359), (3, 6547453), (11, 1785669), (33, 595223), (613, 32043), (971, 20229), (1839, 10681), (2913, 6743)]